Abstract: FIFO (FIFOA) that can be implemented in any XC4000 XC4000 family device. As it stands, FIFOA in an XC4005E , page 7). Physical Implementation This design is implemented as a Relationally Placed Macro (RPM , delays from flip-flops to RAM address and WE pins. When placed in an XC4005E-3 device, this RPM , of RPM (in CLBs) Operating Frequency in XC4005E-3 Supported Devices FIFOA FTOPA FIFOR ...